1The kidneys are
The kidneys are retroperitoneal.
2The kidneys are pressed against the muscle
The kidneys are pressed against the psoas major muscle
3The left kidney is and than the right kidney
The left kidney is
longer and
larger than the right kidney

4In erect position, the kidneys extend from . In supine, .
In erect position, the kidneys extend from L1-L4. In supine, T12-L3.
5On the , the kidney needs to cross the abdominal aorta to get to the . The renal vein has to travel
On the
left, the kidney needs to cross the abdominal aorta to get to the
IVC. The
left renal vein has to travel
further. 
6On the , the kidney does NOT need to cross over the abdominal aorta to get to . The renal vein has to travel .
On the right, the kidney does NOT need to cross over the abdominal aorta to get to IVC. The right renal vein has to travel less.
7In Nutcracker's syndrome, the and compress the . Causes hematuria, adrenal hypertension on , and varicocele (in males).
In Nutcracker's syndrome, the SMA and abdominal aorta compress the left renal vein. Causes hematuria, adrenal hypertension on left, and left varicocele (in males).
8In May-Thurner syndrome, is compressed by the and leads to .
In May-Thurner syndrome, left common iliac vein is compressed by the right common iliac artery and leads to DVT.
9When the or are compromised = nephrotosis
When the pararenal fat or renal vessels are compromised = nephrotosis
101 thing found above the kidneys
Adrenal glands
115 things found BEHIND the kidneys
1. Diaphragm
2. Psoas major
3. Quadratus lumborum
4. 12th rib
5. Lateral edge of the erector spinae muscles
124 things anterior to the right kidney
1. Liver
2. 2nd part of duodenum
3. Ascending colon
4. Small intestine
135 things anterior to the left kidney
1. Stomach
2. Spleen
3. Pancreas
4. Left colic flexure
5. Small intestine
14TEST QUESTION
What are the 4 contents of the hilum of the kidney
Posterior:
Anterior:
Middle:
Nerve:
TEST QUESTION
What are the 4 contents of the hilum of the kidney
Posterior: Ureters and renal pelvis
Anterior: Renal veins
Middle: Renal arteries
Nerve: Sympathetic and Parasympathetic nerves
16Boundaries of the hilum of the kidney
Anterior:
Middle:
Posterior:
(Also present)
Boundaries of the hilum of the kidney
Anterior: Renal vein
Middle: Renal artery
Posterior: Ureter
(Also nerves present)
17Pathway of urine to urinary bladder 6 steps
in to to to to to
Pathway of urine to urinary bladder 6 steps
Papillary duct in
renal pyramid to
minor calyx to
major calyx to
renal pelvis to
ureter to
urinary bladder 
18The blood supply of the kidney is the (from the ) on branch below .
The blood supply of the kidney is the renal artery (from the abdominal aorta) on branch below SMA.
19On the there
may be more than one
renal artery =
On the left side there
may be more than one
renal artery =
SUPERNUMERAY
ARTERIES
20On the , the renal a. splits
(behind the IVC) into an
, , and
posterior
branches
On the right side, the renal a. splits
(behind the IVC) into an
upper, middle, and
lower posterior
branches
21On the there
may be more than one
renal vein:
On the right side there
may be more than one
renal vein:
SUPRANUMERARY
VEINS or ACCESSORY
VEINS
22TEST QUESTION
On the left side, the left
renal vein receives
tributaries from:
•
•
•
•
TEST QUESTION
On the left side, the left
renal vein receives
tributaries from:
• Gonadal (L)
• Body wall
• Diaphragm
• Adrenal glands (L)
23Pain fibers from the splanchnic nerves refer pain to the
, , and to the . If there is pain in these areas, watch out for the
Pain fibers from the splanchnic nerves refer pain to the
testis, labia majora, and to the lumbar region of the back (L1). If there is pain in these areas, watch out for the kidneys!
24The right testicular (or ovarian) vein drains directly into the
The right testicular (or ovarian) vein drains directly into the IVC.
25The left testicular (or ovarian) drains into the .
The left testicular (or ovarian) drains into the left renal vein .